script-astra/Android/Sdk/sources/android-35/android/service/voice/HotwordDetectedResult.java
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/*
* Copyright (C) 2021 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.service.voice;
import android.annotation.IntDef;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.annotation.SuppressLint;
import android.annotation.SystemApi;
import android.content.res.Resources;
import android.media.AudioRecord;
import android.media.MediaSyncEvent;
import android.os.Parcel;
import android.os.Parcelable;
import android.os.PersistableBundle;
import com.android.internal.R;
import com.android.internal.util.DataClass;
import com.android.internal.util.Preconditions;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
/**
* Represents a result supporting the hotword detection.
*
* @hide
*/
@DataClass(
genConstructor = false,
genBuilder = true,
genEqualsHashCode = true,
genHiddenConstDefs = true,
genParcelable = true,
genToString = true
)
@SystemApi
public final class HotwordDetectedResult implements Parcelable {
/** No confidence in hotword detector result. */
public static final int CONFIDENCE_LEVEL_NONE = 0;
/** Low confidence in hotword detector result. */
public static final int CONFIDENCE_LEVEL_LOW = 1;
/** Low-to-medium confidence in hotword detector result. */
public static final int CONFIDENCE_LEVEL_LOW_MEDIUM = 2;
/** Medium confidence in hotword detector result. */
public static final int CONFIDENCE_LEVEL_MEDIUM = 3;
/** Medium-to-high confidence in hotword detector result. */
public static final int CONFIDENCE_LEVEL_MEDIUM_HIGH = 4;
/** High confidence in hotword detector result. */
public static final int CONFIDENCE_LEVEL_HIGH = 5;
/** Very high confidence in hotword detector result. */
public static final int CONFIDENCE_LEVEL_VERY_HIGH = 6;
/** @hide */
@IntDef(prefix = {"CONFIDENCE_LEVEL_"}, value = {
CONFIDENCE_LEVEL_NONE,
CONFIDENCE_LEVEL_LOW,
CONFIDENCE_LEVEL_LOW_MEDIUM,
CONFIDENCE_LEVEL_MEDIUM,
CONFIDENCE_LEVEL_MEDIUM_HIGH,
CONFIDENCE_LEVEL_HIGH,
CONFIDENCE_LEVEL_VERY_HIGH
})
@Retention(RetentionPolicy.SOURCE)
@interface HotwordConfidenceLevelValue {
}
/** Represents unset value for the hotword offset. */
public static final int HOTWORD_OFFSET_UNSET = -1;
/** Represents unset value for the triggered audio channel. */
public static final int AUDIO_CHANNEL_UNSET = -1;
/** Represents unset value for the background audio signal power. */
public static final int BACKGROUND_AUDIO_POWER_UNSET = -1;
/** Limits the max value for the hotword offset. */
private static final int LIMIT_HOTWORD_OFFSET_MAX_VALUE = 60 * 60 * 1000; // 1 hour
/** Limits the max value for the triggered audio channel. */
private static final int LIMIT_AUDIO_CHANNEL_MAX_VALUE = 63;
/**
* The bundle key for proximity
*
* TODO(b/238896013): Move the proximity logic out of bundle to proper API.
*/
private static final String EXTRA_PROXIMITY =
"android.service.voice.extra.PROXIMITY";
/** Users proximity is unknown (proximity sensing was inconclusive and is unsupported). */
public static final int PROXIMITY_UNKNOWN = -1;
/** Proximity value that represents that the object is near. */
public static final int PROXIMITY_NEAR = 1;
/** Proximity value that represents that the object is far. */
public static final int PROXIMITY_FAR = 2;
/** @hide */
@IntDef(prefix = {"PROXIMITY"}, value = {
PROXIMITY_UNKNOWN,
PROXIMITY_NEAR,
PROXIMITY_FAR
})
@Retention(RetentionPolicy.SOURCE)
public @interface ProximityValue {}
/** Id of the current speaker
*
* <p>Only values between 0 and {@link #getMaxSpeakerId} (inclusive) are accepted.
*/
private final int mSpeakerId;
private static int defaultSpeakerId() {
return 0;
}
/** Maximum number of active speaker ids. **/
@SuppressLint("UnflaggedApi") // b/325678077 flags not supported in isolated process
public static int getMaxSpeakerId() {
return 15;
}
/** Confidence level in the trigger outcome. */
@HotwordConfidenceLevelValue
private final int mConfidenceLevel;
private static int defaultConfidenceLevel() {
return CONFIDENCE_LEVEL_NONE;
}
/**
* A {@code MediaSyncEvent} that allows the {@link HotwordDetector} to recapture the audio
* that contains the hotword trigger. This must be obtained using
* {@link android.media.AudioRecord#shareAudioHistory(String, long)}.
*/
@Nullable
private MediaSyncEvent mMediaSyncEvent = null;
/**
* Offset in milliseconds the audio stream when the trigger event happened (end of hotword
* phrase).
*
* <p>Only value between 0 and 3600000 (inclusive) is accepted.
*/
private int mHotwordOffsetMillis = HOTWORD_OFFSET_UNSET;
/**
* Duration in milliseconds of the hotword trigger phrase.
*
* <p>Only values between 0 and {@link android.media.AudioRecord#getMaxSharedAudioHistoryMillis}
* (inclusive) are accepted.
*/
private int mHotwordDurationMillis = 0;
/**
* Audio channel containing the highest-confidence hotword signal.
*
* <p>Only value between 0 and 63 (inclusive) is accepted.
*/
private int mAudioChannel = AUDIO_CHANNEL_UNSET;
/**
* Returns whether the trigger has happened due to model having been personalized to fit user's
* voice.
*/
private boolean mHotwordDetectionPersonalized = false;
/**
* Score for the hotword trigger.
*
* <p>Only values between 0 and {@link #getMaxScore} (inclusive) are accepted.
*/
private final int mScore;
private static int defaultScore() {
return 0;
}
/**
* Score for the hotword trigger for device user.
*
* <p>Only values between 0 and {@link #getMaxScore} (inclusive) are accepted.
*/
private final int mPersonalizedScore;
private static int defaultPersonalizedScore() {
return 0;
}
/**
* Returns the maximum values of {@link #getScore} and {@link #getPersonalizedScore}.
* <p>
* The float value should be calculated as {@code getScore() / getMaxScore()}.
*/
public static int getMaxScore() {
return 255;
}
/**
* An ID representing the keyphrase that triggered the successful detection.
*
* <p>Only values between 0 and {@link #getMaxHotwordPhraseId()} (inclusive) are accepted.
*/
private final int mHotwordPhraseId;
private static int defaultHotwordPhraseId() {
return 0;
}
/**
* Returns the maximum value of {@link #getHotwordPhraseId()}.
*/
public static int getMaxHotwordPhraseId() {
return 63;
}
/**
* The list of the audio streams containing audio bytes that were used for hotword detection.
*/
@NonNull
private final List<HotwordAudioStream> mAudioStreams;
private static List<HotwordAudioStream> defaultAudioStreams() {
return Collections.emptyList();
}
/**
* App-specific extras to support trigger.
*
* <p>The size of this bundle will be limited to {@link #getMaxBundleSize}. Results will larger
* bundles will be rejected.
*
* <p>Only primitive types are supported in this bundle. Complex types will be removed from the
* bundle.
*
* <p>The use of this method is discouraged, and support for it will be removed in future
* versions of Android.
*
* <p>After the trigger happens, a special case of proximity-related extra, with the key of
* 'android.service.voice.extra.PROXIMITY_VALUE' and the value of proximity value (integer)
* will be stored to enable proximity logic. {@link HotwordDetectedResult#PROXIMITY_NEAR} will
* indicate 'NEAR' proximity and {@link HotwordDetectedResult#PROXIMITY_FAR} will indicate 'FAR'
* proximity. The proximity value is provided by the system, on devices that support detecting
* proximity of nearby users, to help disambiguate which nearby device should respond. When the
* proximity is unknown, the proximity value will not be stored. This mapping will be excluded
* from the max bundle size calculation because this mapping is included after the result is
* returned from the hotword detector service.
*
* <p>This is a PersistableBundle so it doesn't allow any remotable objects or other contents
* that can be used to communicate with other processes.
*/
@NonNull
private final PersistableBundle mExtras;
private static PersistableBundle defaultExtras() {
return new PersistableBundle();
}
private static int sMaxBundleSize = -1;
/**
* Returns the maximum byte size of the information contained in the bundle.
*
* <p>The total size will be calculated by how much bundle data should be written into the
* Parcel.
*/
public static int getMaxBundleSize() {
if (sMaxBundleSize < 0) {
sMaxBundleSize = Resources.getSystem().getInteger(
R.integer.config_hotwordDetectedResultMaxBundleSize);
}
return sMaxBundleSize;
}
/**
* A {@code MediaSyncEvent} that allows the {@link HotwordDetector} to recapture the audio
* that contains the hotword trigger. This must be obtained using
* {@link android.media.AudioRecord#shareAudioHistory(String, long)}.
* <p>
* This can be {@code null} if reprocessing the hotword trigger isn't required.
*/
// Suppress codegen to make javadoc consistent. Getter returns @Nullable, setter accepts
// @NonNull only, and by default codegen would use the same javadoc on both.
public @Nullable MediaSyncEvent getMediaSyncEvent() {
return mMediaSyncEvent;
}
/**
* Power of the background audio signal in which the hotword phrase was detected.
*
* <p> Only values between 0 and {@link #getMaxBackgroundAudioPower} (inclusive)
* and the special value {@link #BACKGROUND_AUDIO_POWER_UNSET} are valid.
*
* <p> This value is unitless. The relation between this value and the real audio signal
* power measured in decibels depends on the hotword detection service implementation.
*/
private final int mBackgroundAudioPower;
private static int defaultBackgroundAudioPower() {
return BACKGROUND_AUDIO_POWER_UNSET;
}
/**
* Returns the maximum value of {@link #getBackgroundAudioPower()}.
*/
public static int getMaxBackgroundAudioPower() {
return 255;
}
/**
* Returns how many bytes should be written into the Parcel
*
* @hide
*/
public static int getParcelableSize(@NonNull Parcelable parcelable) {
final Parcel p = Parcel.obtain();
parcelable.writeToParcel(p, 0);
p.setDataPosition(0);
final int size = p.dataSize();
p.recycle();
return size;
}
/**
* Returns how many bits have been written into the HotwordDetectedResult.
*
* @hide
*/
public static int getUsageSize(@NonNull HotwordDetectedResult hotwordDetectedResult) {
int totalBits = 0;
if (hotwordDetectedResult.getConfidenceLevel() != defaultConfidenceLevel()) {
totalBits += bitCount(CONFIDENCE_LEVEL_VERY_HIGH);
}
if (hotwordDetectedResult.getHotwordOffsetMillis() != HOTWORD_OFFSET_UNSET) {
totalBits += bitCount(LIMIT_HOTWORD_OFFSET_MAX_VALUE);
}
if (hotwordDetectedResult.getHotwordDurationMillis() != 0) {
totalBits += bitCount(AudioRecord.getMaxSharedAudioHistoryMillis());
}
if (hotwordDetectedResult.getAudioChannel() != AUDIO_CHANNEL_UNSET) {
totalBits += bitCount(LIMIT_AUDIO_CHANNEL_MAX_VALUE);
}
// Add one bit for HotwordDetectionPersonalized
totalBits += 1;
if (hotwordDetectedResult.getScore() != defaultScore()) {
totalBits += bitCount(HotwordDetectedResult.getMaxScore());
}
if (hotwordDetectedResult.getPersonalizedScore() != defaultPersonalizedScore()) {
totalBits += bitCount(HotwordDetectedResult.getMaxScore());
}
if (hotwordDetectedResult.getHotwordPhraseId() != defaultHotwordPhraseId()) {
totalBits += bitCount(HotwordDetectedResult.getMaxHotwordPhraseId());
}
PersistableBundle persistableBundle = hotwordDetectedResult.getExtras();
if (!persistableBundle.isEmpty()) {
totalBits += getParcelableSize(persistableBundle) * Byte.SIZE;
}
if (hotwordDetectedResult.getBackgroundAudioPower() != defaultBackgroundAudioPower()) {
totalBits += bitCount(HotwordDetectedResult.getMaxBackgroundAudioPower());
}
return totalBits;
}
private static int bitCount(long value) {
int bits = 0;
while (value > 0) {
bits++;
value = value >> 1;
}
return bits;
}
private void onConstructed() {
Preconditions.checkArgumentInRange(mSpeakerId, 0, getMaxSpeakerId(), "speakerId");
Preconditions.checkArgumentInRange(mScore, 0, getMaxScore(), "score");
Preconditions.checkArgumentInRange(mPersonalizedScore, 0, getMaxScore(),
"personalizedScore");
Preconditions.checkArgumentInRange(mHotwordPhraseId, 0, getMaxHotwordPhraseId(),
"hotwordPhraseId");
if (mBackgroundAudioPower != BACKGROUND_AUDIO_POWER_UNSET) {
Preconditions.checkArgumentInRange(mBackgroundAudioPower,
0, getMaxBackgroundAudioPower(), "backgroundAudioPower");
}
Preconditions.checkArgumentInRange((long) mHotwordDurationMillis, 0,
AudioRecord.getMaxSharedAudioHistoryMillis(), "hotwordDurationMillis");
if (mHotwordOffsetMillis != HOTWORD_OFFSET_UNSET) {
Preconditions.checkArgumentInRange(mHotwordOffsetMillis, 0,
LIMIT_HOTWORD_OFFSET_MAX_VALUE, "hotwordOffsetMillis");
}
if (mAudioChannel != AUDIO_CHANNEL_UNSET) {
Preconditions.checkArgumentInRange(mAudioChannel, 0, LIMIT_AUDIO_CHANNEL_MAX_VALUE,
"audioChannel");
}
if (!mExtras.isEmpty()) {
// Remove the proximity key from the bundle before checking the bundle size. The
// proximity value is added after the privileged module and can avoid the
// maxBundleSize limitation.
if (mExtras.containsKey(EXTRA_PROXIMITY)) {
int proximityValue = mExtras.getInt(EXTRA_PROXIMITY);
mExtras.remove(EXTRA_PROXIMITY);
// Skip checking parcelable size if the new bundle size is 0. Newly empty bundle
// has parcelable size of 4, but the default bundle has parcelable size of 0.
if (mExtras.size() > 0) {
Preconditions.checkArgumentInRange(getParcelableSize(mExtras), 0,
getMaxBundleSize(), "extras");
}
mExtras.putInt(EXTRA_PROXIMITY, proximityValue);
} else {
Preconditions.checkArgumentInRange(getParcelableSize(mExtras), 0,
getMaxBundleSize(), "extras");
}
}
}
/**
* The list of the audio streams containing audio bytes that were used for hotword detection.
*/
public @NonNull List<HotwordAudioStream> getAudioStreams() {
return List.copyOf(mAudioStreams);
}
/**
* Adds proximity level, either near or far, that is mapped for the given distance into
* the bundle. The proximity value is provided by the system, on devices that support detecting
* proximity of nearby users, to help disambiguate which nearby device should respond.
* This mapping will be excluded from the max bundle size calculation because this mapping is
* included after the result is returned from the hotword detector service. The value will not
* be included if the proximity was unknown.
*
* @hide
*/
public void setProximity(double distance) {
int proximityLevel = convertToProximityLevel(distance);
if (proximityLevel != PROXIMITY_UNKNOWN) {
mExtras.putInt(EXTRA_PROXIMITY, proximityLevel);
}
}
/**
* Returns proximity level, which can be either of {@link HotwordDetectedResult#PROXIMITY_NEAR}
* or {@link HotwordDetectedResult#PROXIMITY_FAR}. If the proximity is unknown, it will
* return {@link HotwordDetectedResult#PROXIMITY_UNKNOWN}.
*/
@ProximityValue
public int getProximity() {
return mExtras.getInt(EXTRA_PROXIMITY, PROXIMITY_UNKNOWN);
}
/**
* Mapping of the proximity distance (meters) to proximity values, unknown, near, and far.
* Currently, this mapping is handled by HotwordDetectedResult because it handles just
* HotwordDetectionConnection which we know the mapping of. However, the mapping will need to
* move to a more centralized place once there are more clients.
*
* TODO(b/258531144): Move the proximity mapping to a central location
*/
@ProximityValue
private int convertToProximityLevel(double distance) {
if (distance < 0) {
return PROXIMITY_UNKNOWN;
} else if (distance <= 3) {
return PROXIMITY_NEAR;
} else {
return PROXIMITY_FAR;
}
}
@DataClass.Suppress("addAudioStreams")
abstract static class BaseBuilder {
/**
* The list of the audio streams containing audio bytes that were used for hotword
* detection.
*/
public @NonNull Builder setAudioStreams(@NonNull List<HotwordAudioStream> value) {
Objects.requireNonNull(value, "value should not be null");
final Builder builder = (Builder) this;
// If the code gen flag in build() is changed, we must update the flag e.g. 0x400 here.
builder.mBuilderFieldsSet |= 0x400;
builder.mAudioStreams = List.copyOf(value);
return builder;
}
}
/**
* Provides an instance of {@link Builder} with state corresponding to this instance.
* @hide
*/
public Builder buildUpon() {
return new Builder()
.setConfidenceLevel(mConfidenceLevel)
.setMediaSyncEvent(mMediaSyncEvent)
.setHotwordOffsetMillis(mHotwordOffsetMillis)
.setHotwordDurationMillis(mHotwordDurationMillis)
.setAudioChannel(mAudioChannel)
.setHotwordDetectionPersonalized(mHotwordDetectionPersonalized)
.setScore(mScore)
.setPersonalizedScore(mPersonalizedScore)
.setHotwordPhraseId(mHotwordPhraseId)
.setAudioStreams(mAudioStreams)
.setExtras(mExtras)
.setBackgroundAudioPower(mBackgroundAudioPower)
.setSpeakerId(mSpeakerId);
}
// Code below generated by codegen v1.0.23.
//
// DO NOT MODIFY!
// CHECKSTYLE:OFF Generated code
//
// To regenerate run:
// $ codegen $ANDROID_BUILD_TOP/frameworks/base/core/java/android/service/voice/HotwordDetectedResult.java
//
// To exclude the generated code from IntelliJ auto-formatting enable (one-time):
// Settings > Editor > Code Style > Formatter Control
//@formatter:off
/** @hide */
@IntDef(prefix = "CONFIDENCE_LEVEL_", value = {
CONFIDENCE_LEVEL_NONE,
CONFIDENCE_LEVEL_LOW,
CONFIDENCE_LEVEL_LOW_MEDIUM,
CONFIDENCE_LEVEL_MEDIUM,
CONFIDENCE_LEVEL_MEDIUM_HIGH,
CONFIDENCE_LEVEL_HIGH,
CONFIDENCE_LEVEL_VERY_HIGH
})
@Retention(RetentionPolicy.SOURCE)
@DataClass.Generated.Member
public @interface ConfidenceLevel {}
/** @hide */
@DataClass.Generated.Member
public static String confidenceLevelToString(@ConfidenceLevel int value) {
switch (value) {
case CONFIDENCE_LEVEL_NONE:
return "CONFIDENCE_LEVEL_NONE";
case CONFIDENCE_LEVEL_LOW:
return "CONFIDENCE_LEVEL_LOW";
case CONFIDENCE_LEVEL_LOW_MEDIUM:
return "CONFIDENCE_LEVEL_LOW_MEDIUM";
case CONFIDENCE_LEVEL_MEDIUM:
return "CONFIDENCE_LEVEL_MEDIUM";
case CONFIDENCE_LEVEL_MEDIUM_HIGH:
return "CONFIDENCE_LEVEL_MEDIUM_HIGH";
case CONFIDENCE_LEVEL_HIGH:
return "CONFIDENCE_LEVEL_HIGH";
case CONFIDENCE_LEVEL_VERY_HIGH:
return "CONFIDENCE_LEVEL_VERY_HIGH";
default: return Integer.toHexString(value);
}
}
/** @hide */
@IntDef(prefix = "LIMIT_", value = {
LIMIT_HOTWORD_OFFSET_MAX_VALUE,
LIMIT_AUDIO_CHANNEL_MAX_VALUE
})
@Retention(RetentionPolicy.SOURCE)
@DataClass.Generated.Member
/* package-private */ @interface Limit {}
/** @hide */
@DataClass.Generated.Member
/* package-private */ static String limitToString(@Limit int value) {
switch (value) {
case LIMIT_HOTWORD_OFFSET_MAX_VALUE:
return "LIMIT_HOTWORD_OFFSET_MAX_VALUE";
case LIMIT_AUDIO_CHANNEL_MAX_VALUE:
return "LIMIT_AUDIO_CHANNEL_MAX_VALUE";
default: return Integer.toHexString(value);
}
}
/** @hide */
@IntDef(prefix = "PROXIMITY_", value = {
PROXIMITY_UNKNOWN,
PROXIMITY_NEAR,
PROXIMITY_FAR
})
@Retention(RetentionPolicy.SOURCE)
@DataClass.Generated.Member
public @interface Proximity {}
/** @hide */
@DataClass.Generated.Member
public static String proximityToString(@Proximity int value) {
switch (value) {
case PROXIMITY_UNKNOWN:
return "PROXIMITY_UNKNOWN";
case PROXIMITY_NEAR:
return "PROXIMITY_NEAR";
case PROXIMITY_FAR:
return "PROXIMITY_FAR";
default: return Integer.toHexString(value);
}
}
@DataClass.Generated.Member
/* package-private */ HotwordDetectedResult(
int speakerId,
@HotwordConfidenceLevelValue int confidenceLevel,
@Nullable MediaSyncEvent mediaSyncEvent,
int hotwordOffsetMillis,
int hotwordDurationMillis,
int audioChannel,
boolean hotwordDetectionPersonalized,
int score,
int personalizedScore,
int hotwordPhraseId,
@NonNull List<HotwordAudioStream> audioStreams,
@NonNull PersistableBundle extras,
int backgroundAudioPower) {
this.mSpeakerId = speakerId;
this.mConfidenceLevel = confidenceLevel;
com.android.internal.util.AnnotationValidations.validate(
HotwordConfidenceLevelValue.class, null, mConfidenceLevel);
this.mMediaSyncEvent = mediaSyncEvent;
this.mHotwordOffsetMillis = hotwordOffsetMillis;
this.mHotwordDurationMillis = hotwordDurationMillis;
this.mAudioChannel = audioChannel;
this.mHotwordDetectionPersonalized = hotwordDetectionPersonalized;
this.mScore = score;
this.mPersonalizedScore = personalizedScore;
this.mHotwordPhraseId = hotwordPhraseId;
this.mAudioStreams = audioStreams;
com.android.internal.util.AnnotationValidations.validate(
NonNull.class, null, mAudioStreams);
this.mExtras = extras;
com.android.internal.util.AnnotationValidations.validate(
NonNull.class, null, mExtras);
this.mBackgroundAudioPower = backgroundAudioPower;
onConstructed();
}
/**
* Id of the current speaker
*
* <p>Only values between 0 and {@link #getMaxSpeakerId} (inclusive) are accepted.
*/
@DataClass.Generated.Member
@SuppressLint("UnflaggedApi") // b/325678077 flags not supported in isolated process
public int getSpeakerId() {
return mSpeakerId;
}
/**
* Confidence level in the trigger outcome.
*/
@DataClass.Generated.Member
public @HotwordConfidenceLevelValue int getConfidenceLevel() {
return mConfidenceLevel;
}
/**
* Offset in milliseconds the audio stream when the trigger event happened (end of hotword
* phrase).
*
* <p>Only value between 0 and 3600000 (inclusive) is accepted.
*/
@DataClass.Generated.Member
public int getHotwordOffsetMillis() {
return mHotwordOffsetMillis;
}
/**
* Duration in milliseconds of the hotword trigger phrase.
*
* <p>Only values between 0 and {@link android.media.AudioRecord#getMaxSharedAudioHistoryMillis}
* (inclusive) are accepted.
*/
@DataClass.Generated.Member
public int getHotwordDurationMillis() {
return mHotwordDurationMillis;
}
/**
* Audio channel containing the highest-confidence hotword signal.
*
* <p>Only value between 0 and 63 (inclusive) is accepted.
*/
@DataClass.Generated.Member
public int getAudioChannel() {
return mAudioChannel;
}
/**
* Returns whether the trigger has happened due to model having been personalized to fit user's
* voice.
*/
@DataClass.Generated.Member
public boolean isHotwordDetectionPersonalized() {
return mHotwordDetectionPersonalized;
}
/**
* Score for the hotword trigger.
*
* <p>Only values between 0 and {@link #getMaxScore} (inclusive) are accepted.
*/
@DataClass.Generated.Member
public int getScore() {
return mScore;
}
/**
* Score for the hotword trigger for device user.
*
* <p>Only values between 0 and {@link #getMaxScore} (inclusive) are accepted.
*/
@DataClass.Generated.Member
public int getPersonalizedScore() {
return mPersonalizedScore;
}
/**
* An ID representing the keyphrase that triggered the successful detection.
*
* <p>Only values between 0 and {@link #getMaxHotwordPhraseId()} (inclusive) are accepted.
*/
@DataClass.Generated.Member
public int getHotwordPhraseId() {
return mHotwordPhraseId;
}
/**
* App-specific extras to support trigger.
*
* <p>The size of this bundle will be limited to {@link #getMaxBundleSize}. Results will larger
* bundles will be rejected.
*
* <p>Only primitive types are supported in this bundle. Complex types will be removed from the
* bundle.
*
* <p>The use of this method is discouraged, and support for it will be removed in future
* versions of Android.
*
* <p>After the trigger happens, a special case of proximity-related extra, with the key of
* 'android.service.voice.extra.PROXIMITY_VALUE' and the value of proximity value (integer)
* will be stored to enable proximity logic. {@link HotwordDetectedResult#PROXIMITY_NEAR} will
* indicate 'NEAR' proximity and {@link HotwordDetectedResult#PROXIMITY_FAR} will indicate 'FAR'
* proximity. The proximity value is provided by the system, on devices that support detecting
* proximity of nearby users, to help disambiguate which nearby device should respond. When the
* proximity is unknown, the proximity value will not be stored. This mapping will be excluded
* from the max bundle size calculation because this mapping is included after the result is
* returned from the hotword detector service.
*
* <p>This is a PersistableBundle so it doesn't allow any remotable objects or other contents
* that can be used to communicate with other processes.
*/
@DataClass.Generated.Member
public @NonNull PersistableBundle getExtras() {
return mExtras;
}
/**
* Power of the background audio signal in which the hotword phrase was detected.
*
* <p> Only values between 0 and {@link #getMaxBackgroundAudioPower} (inclusive)
* and the special value {@link #BACKGROUND_AUDIO_POWER_UNSET} are valid.
*
* <p> This value is unitless. The relation between this value and the real audio signal
* power measured in decibels depends on the hotword detection service implementation.
*/
@DataClass.Generated.Member
public int getBackgroundAudioPower() {
return mBackgroundAudioPower;
}
@Override
@DataClass.Generated.Member
public String toString() {
// You can override field toString logic by defining methods like:
// String fieldNameToString() { ... }
return "HotwordDetectedResult { " +
"speakerId = " + mSpeakerId + ", " +
"confidenceLevel = " + mConfidenceLevel + ", " +
"mediaSyncEvent = " + mMediaSyncEvent + ", " +
"hotwordOffsetMillis = " + mHotwordOffsetMillis + ", " +
"hotwordDurationMillis = " + mHotwordDurationMillis + ", " +
"audioChannel = " + mAudioChannel + ", " +
"hotwordDetectionPersonalized = " + mHotwordDetectionPersonalized + ", " +
"score = " + mScore + ", " +
"personalizedScore = " + mPersonalizedScore + ", " +
"hotwordPhraseId = " + mHotwordPhraseId + ", " +
"audioStreams = " + mAudioStreams + ", " +
"extras = " + mExtras + ", " +
"backgroundAudioPower = " + mBackgroundAudioPower +
" }";
}
@Override
@DataClass.Generated.Member
public boolean equals(@Nullable Object o) {
// You can override field equality logic by defining either of the methods like:
// boolean fieldNameEquals(HotwordDetectedResult other) { ... }
// boolean fieldNameEquals(FieldType otherValue) { ... }
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
@SuppressWarnings("unchecked")
HotwordDetectedResult that = (HotwordDetectedResult) o;
//noinspection PointlessBooleanExpression
return true
&& mSpeakerId == that.mSpeakerId
&& mConfidenceLevel == that.mConfidenceLevel
&& Objects.equals(mMediaSyncEvent, that.mMediaSyncEvent)
&& mHotwordOffsetMillis == that.mHotwordOffsetMillis
&& mHotwordDurationMillis == that.mHotwordDurationMillis
&& mAudioChannel == that.mAudioChannel
&& mHotwordDetectionPersonalized == that.mHotwordDetectionPersonalized
&& mScore == that.mScore
&& mPersonalizedScore == that.mPersonalizedScore
&& mHotwordPhraseId == that.mHotwordPhraseId
&& Objects.equals(mAudioStreams, that.mAudioStreams)
&& Objects.equals(mExtras, that.mExtras)
&& mBackgroundAudioPower == that.mBackgroundAudioPower;
}
@Override
@DataClass.Generated.Member
public int hashCode() {
// You can override field hashCode logic by defining methods like:
// int fieldNameHashCode() { ... }
int _hash = 1;
_hash = 31 * _hash + mSpeakerId;
_hash = 31 * _hash + mConfidenceLevel;
_hash = 31 * _hash + Objects.hashCode(mMediaSyncEvent);
_hash = 31 * _hash + mHotwordOffsetMillis;
_hash = 31 * _hash + mHotwordDurationMillis;
_hash = 31 * _hash + mAudioChannel;
_hash = 31 * _hash + Boolean.hashCode(mHotwordDetectionPersonalized);
_hash = 31 * _hash + mScore;
_hash = 31 * _hash + mPersonalizedScore;
_hash = 31 * _hash + mHotwordPhraseId;
_hash = 31 * _hash + Objects.hashCode(mAudioStreams);
_hash = 31 * _hash + Objects.hashCode(mExtras);
_hash = 31 * _hash + mBackgroundAudioPower;
return _hash;
}
@Override
@DataClass.Generated.Member
public void writeToParcel(@NonNull Parcel dest, int flags) {
// You can override field parcelling by defining methods like:
// void parcelFieldName(Parcel dest, int flags) { ... }
int flg = 0;
if (mHotwordDetectionPersonalized) flg |= 0x40;
if (mMediaSyncEvent != null) flg |= 0x4;
dest.writeInt(flg);
dest.writeInt(mSpeakerId);
dest.writeInt(mConfidenceLevel);
if (mMediaSyncEvent != null) dest.writeTypedObject(mMediaSyncEvent, flags);
dest.writeInt(mHotwordOffsetMillis);
dest.writeInt(mHotwordDurationMillis);
dest.writeInt(mAudioChannel);
dest.writeInt(mScore);
dest.writeInt(mPersonalizedScore);
dest.writeInt(mHotwordPhraseId);
dest.writeParcelableList(mAudioStreams, flags);
dest.writeTypedObject(mExtras, flags);
dest.writeInt(mBackgroundAudioPower);
}
@Override
@DataClass.Generated.Member
public int describeContents() { return 0; }
/** @hide */
@SuppressWarnings({"unchecked", "RedundantCast"})
@DataClass.Generated.Member
/* package-private */ HotwordDetectedResult(@NonNull Parcel in) {
// You can override field unparcelling by defining methods like:
// static FieldType unparcelFieldName(Parcel in) { ... }
int flg = in.readInt();
boolean hotwordDetectionPersonalized = (flg & 0x40) != 0;
int speakerId = in.readInt();
int confidenceLevel = in.readInt();
MediaSyncEvent mediaSyncEvent = (flg & 0x4) == 0 ? null : (MediaSyncEvent) in.readTypedObject(MediaSyncEvent.CREATOR);
int hotwordOffsetMillis = in.readInt();
int hotwordDurationMillis = in.readInt();
int audioChannel = in.readInt();
int score = in.readInt();
int personalizedScore = in.readInt();
int hotwordPhraseId = in.readInt();
List<HotwordAudioStream> audioStreams = new ArrayList<>();
in.readParcelableList(audioStreams, HotwordAudioStream.class.getClassLoader());
PersistableBundle extras = (PersistableBundle) in.readTypedObject(PersistableBundle.CREATOR);
int backgroundAudioPower = in.readInt();
this.mSpeakerId = speakerId;
this.mConfidenceLevel = confidenceLevel;
com.android.internal.util.AnnotationValidations.validate(
HotwordConfidenceLevelValue.class, null, mConfidenceLevel);
this.mMediaSyncEvent = mediaSyncEvent;
this.mHotwordOffsetMillis = hotwordOffsetMillis;
this.mHotwordDurationMillis = hotwordDurationMillis;
this.mAudioChannel = audioChannel;
this.mHotwordDetectionPersonalized = hotwordDetectionPersonalized;
this.mScore = score;
this.mPersonalizedScore = personalizedScore;
this.mHotwordPhraseId = hotwordPhraseId;
this.mAudioStreams = audioStreams;
com.android.internal.util.AnnotationValidations.validate(
NonNull.class, null, mAudioStreams);
this.mExtras = extras;
com.android.internal.util.AnnotationValidations.validate(
NonNull.class, null, mExtras);
this.mBackgroundAudioPower = backgroundAudioPower;
onConstructed();
}
@DataClass.Generated.Member
public static final @NonNull Parcelable.Creator<HotwordDetectedResult> CREATOR
= new Parcelable.Creator<HotwordDetectedResult>() {
@Override
public HotwordDetectedResult[] newArray(int size) {
return new HotwordDetectedResult[size];
}
@Override
public HotwordDetectedResult createFromParcel(@NonNull Parcel in) {
return new HotwordDetectedResult(in);
}
};
/**
* A builder for {@link HotwordDetectedResult}
*/
@SuppressWarnings("WeakerAccess")
@DataClass.Generated.Member
public static final class Builder extends BaseBuilder {
private int mSpeakerId;
private @HotwordConfidenceLevelValue int mConfidenceLevel;
private @Nullable MediaSyncEvent mMediaSyncEvent;
private int mHotwordOffsetMillis;
private int mHotwordDurationMillis;
private int mAudioChannel;
private boolean mHotwordDetectionPersonalized;
private int mScore;
private int mPersonalizedScore;
private int mHotwordPhraseId;
private @NonNull List<HotwordAudioStream> mAudioStreams;
private @NonNull PersistableBundle mExtras;
private int mBackgroundAudioPower;
private long mBuilderFieldsSet = 0L;
public Builder() {
}
/**
* Id of the current speaker
*
* <p>Only values between 0 and {@link #getMaxSpeakerId} (inclusive) are accepted.
*/
@DataClass.Generated.Member
@SuppressLint("UnflaggedApi") // b/325678077 flags not supported in isolated process
public @NonNull Builder setSpeakerId(int value) {
checkNotUsed();
mBuilderFieldsSet |= 0x1;
mSpeakerId = value;
return this;
}
/**
* Confidence level in the trigger outcome.
*/
@DataClass.Generated.Member
public @NonNull Builder setConfidenceLevel(@HotwordConfidenceLevelValue int value) {
checkNotUsed();
mBuilderFieldsSet |= 0x2;
mConfidenceLevel = value;
return this;
}
/**
* A {@code MediaSyncEvent} that allows the {@link HotwordDetector} to recapture the audio
* that contains the hotword trigger. This must be obtained using
* {@link android.media.AudioRecord#shareAudioHistory(String, long)}.
*/
@DataClass.Generated.Member
public @NonNull Builder setMediaSyncEvent(@NonNull MediaSyncEvent value) {
checkNotUsed();
mBuilderFieldsSet |= 0x4;
mMediaSyncEvent = value;
return this;
}
/**
* Offset in milliseconds the audio stream when the trigger event happened (end of hotword
* phrase).
*
* <p>Only value between 0 and 3600000 (inclusive) is accepted.
*/
@DataClass.Generated.Member
public @NonNull Builder setHotwordOffsetMillis(int value) {
checkNotUsed();
mBuilderFieldsSet |= 0x8;
mHotwordOffsetMillis = value;
return this;
}
/**
* Duration in milliseconds of the hotword trigger phrase.
*
* <p>Only values between 0 and {@link android.media.AudioRecord#getMaxSharedAudioHistoryMillis}
* (inclusive) are accepted.
*/
@DataClass.Generated.Member
public @NonNull Builder setHotwordDurationMillis(int value) {
checkNotUsed();
mBuilderFieldsSet |= 0x10;
mHotwordDurationMillis = value;
return this;
}
/**
* Audio channel containing the highest-confidence hotword signal.
*
* <p>Only value between 0 and 63 (inclusive) is accepted.
*/
@DataClass.Generated.Member
public @NonNull Builder setAudioChannel(int value) {
checkNotUsed();
mBuilderFieldsSet |= 0x20;
mAudioChannel = value;
return this;
}
/**
* Returns whether the trigger has happened due to model having been personalized to fit user's
* voice.
*/
@DataClass.Generated.Member
public @NonNull Builder setHotwordDetectionPersonalized(boolean value) {
checkNotUsed();
mBuilderFieldsSet |= 0x40;
mHotwordDetectionPersonalized = value;
return this;
}
/**
* Score for the hotword trigger.
*
* <p>Only values between 0 and {@link #getMaxScore} (inclusive) are accepted.
*/
@DataClass.Generated.Member
public @NonNull Builder setScore(int value) {
checkNotUsed();
mBuilderFieldsSet |= 0x80;
mScore = value;
return this;
}
/**
* Score for the hotword trigger for device user.
*
* <p>Only values between 0 and {@link #getMaxScore} (inclusive) are accepted.
*/
@DataClass.Generated.Member
public @NonNull Builder setPersonalizedScore(int value) {
checkNotUsed();
mBuilderFieldsSet |= 0x100;
mPersonalizedScore = value;
return this;
}
/**
* An ID representing the keyphrase that triggered the successful detection.
*
* <p>Only values between 0 and {@link #getMaxHotwordPhraseId()} (inclusive) are accepted.
*/
@DataClass.Generated.Member
public @NonNull Builder setHotwordPhraseId(int value) {
checkNotUsed();
mBuilderFieldsSet |= 0x200;
mHotwordPhraseId = value;
return this;
}
/**
* App-specific extras to support trigger.
*
* <p>The size of this bundle will be limited to {@link #getMaxBundleSize}. Results will larger
* bundles will be rejected.
*
* <p>Only primitive types are supported in this bundle. Complex types will be removed from the
* bundle.
*
* <p>The use of this method is discouraged, and support for it will be removed in future
* versions of Android.
*
* <p>After the trigger happens, a special case of proximity-related extra, with the key of
* 'android.service.voice.extra.PROXIMITY_VALUE' and the value of proximity value (integer)
* will be stored to enable proximity logic. {@link HotwordDetectedResult#PROXIMITY_NEAR} will
* indicate 'NEAR' proximity and {@link HotwordDetectedResult#PROXIMITY_FAR} will indicate 'FAR'
* proximity. The proximity value is provided by the system, on devices that support detecting
* proximity of nearby users, to help disambiguate which nearby device should respond. When the
* proximity is unknown, the proximity value will not be stored. This mapping will be excluded
* from the max bundle size calculation because this mapping is included after the result is
* returned from the hotword detector service.
*
* <p>This is a PersistableBundle so it doesn't allow any remotable objects or other contents
* that can be used to communicate with other processes.
*/
@DataClass.Generated.Member
public @NonNull Builder setExtras(@NonNull PersistableBundle value) {
checkNotUsed();
mBuilderFieldsSet |= 0x800;
mExtras = value;
return this;
}
/**
* Power of the background audio signal in which the hotword phrase was detected.
*
* <p> Only values between 0 and {@link #getMaxBackgroundAudioPower} (inclusive)
* and the special value {@link #BACKGROUND_AUDIO_POWER_UNSET} are valid.
*
* <p> This value is unitless. The relation between this value and the real audio signal
* power measured in decibels depends on the hotword detection service implementation.
*/
@DataClass.Generated.Member
public @NonNull Builder setBackgroundAudioPower(int value) {
checkNotUsed();
mBuilderFieldsSet |= 0x1000;
mBackgroundAudioPower = value;
return this;
}
/** Builds the instance. This builder should not be touched after calling this! */
public @NonNull HotwordDetectedResult build() {
checkNotUsed();
mBuilderFieldsSet |= 0x2000; // Mark builder used
if ((mBuilderFieldsSet & 0x1) == 0) {
mSpeakerId = defaultSpeakerId();
}
if ((mBuilderFieldsSet & 0x2) == 0) {
mConfidenceLevel = defaultConfidenceLevel();
}
if ((mBuilderFieldsSet & 0x4) == 0) {
mMediaSyncEvent = null;
}
if ((mBuilderFieldsSet & 0x8) == 0) {
mHotwordOffsetMillis = HOTWORD_OFFSET_UNSET;
}
if ((mBuilderFieldsSet & 0x10) == 0) {
mHotwordDurationMillis = 0;
}
if ((mBuilderFieldsSet & 0x20) == 0) {
mAudioChannel = AUDIO_CHANNEL_UNSET;
}
if ((mBuilderFieldsSet & 0x40) == 0) {
mHotwordDetectionPersonalized = false;
}
if ((mBuilderFieldsSet & 0x80) == 0) {
mScore = defaultScore();
}
if ((mBuilderFieldsSet & 0x100) == 0) {
mPersonalizedScore = defaultPersonalizedScore();
}
if ((mBuilderFieldsSet & 0x200) == 0) {
mHotwordPhraseId = defaultHotwordPhraseId();
}
if ((mBuilderFieldsSet & 0x400) == 0) {
mAudioStreams = defaultAudioStreams();
}
if ((mBuilderFieldsSet & 0x800) == 0) {
mExtras = defaultExtras();
}
if ((mBuilderFieldsSet & 0x1000) == 0) {
mBackgroundAudioPower = defaultBackgroundAudioPower();
}
HotwordDetectedResult o = new HotwordDetectedResult(
mSpeakerId,
mConfidenceLevel,
mMediaSyncEvent,
mHotwordOffsetMillis,
mHotwordDurationMillis,
mAudioChannel,
mHotwordDetectionPersonalized,
mScore,
mPersonalizedScore,
mHotwordPhraseId,
mAudioStreams,
mExtras,
mBackgroundAudioPower);
return o;
}
private void checkNotUsed() {
if ((mBuilderFieldsSet & 0x2000) != 0) {
throw new IllegalStateException(
"This Builder should not be reused. Use a new Builder instance instead");
}
}
}
@DataClass.Generated(
time = 1710918729668L,
codegenVersion = "1.0.23",
sourceFile = "frameworks/base/core/java/android/service/voice/HotwordDetectedResult.java",
inputSignatures = "public static final int CONFIDENCE_LEVEL_NONE\npublic static final int CONFIDENCE_LEVEL_LOW\npublic static final int CONFIDENCE_LEVEL_LOW_MEDIUM\npublic static final int CONFIDENCE_LEVEL_MEDIUM\npublic static final int CONFIDENCE_LEVEL_MEDIUM_HIGH\npublic static final int CONFIDENCE_LEVEL_HIGH\npublic static final int CONFIDENCE_LEVEL_VERY_HIGH\npublic static final int HOTWORD_OFFSET_UNSET\npublic static final int AUDIO_CHANNEL_UNSET\npublic static final int BACKGROUND_AUDIO_POWER_UNSET\nprivate static final int LIMIT_HOTWORD_OFFSET_MAX_VALUE\nprivate static final int LIMIT_AUDIO_CHANNEL_MAX_VALUE\nprivate static final java.lang.String EXTRA_PROXIMITY\npublic static final int PROXIMITY_UNKNOWN\npublic static final int PROXIMITY_NEAR\npublic static final int PROXIMITY_FAR\nprivate final int mSpeakerId\nprivate final @android.service.voice.HotwordDetectedResult.HotwordConfidenceLevelValue int mConfidenceLevel\nprivate @android.annotation.Nullable android.media.MediaSyncEvent mMediaSyncEvent\nprivate int mHotwordOffsetMillis\nprivate int mHotwordDurationMillis\nprivate int mAudioChannel\nprivate boolean mHotwordDetectionPersonalized\nprivate final int mScore\nprivate final int mPersonalizedScore\nprivate final int mHotwordPhraseId\nprivate final @android.annotation.NonNull java.util.List<android.service.voice.HotwordAudioStream> mAudioStreams\nprivate final @android.annotation.NonNull android.os.PersistableBundle mExtras\nprivate static int sMaxBundleSize\nprivate final int mBackgroundAudioPower\nprivate static int defaultSpeakerId()\npublic static @android.annotation.SuppressLint int getMaxSpeakerId()\nprivate static int defaultConfidenceLevel()\nprivate static int defaultScore()\nprivate static int defaultPersonalizedScore()\npublic static int getMaxScore()\nprivate static int defaultHotwordPhraseId()\npublic static int getMaxHotwordPhraseId()\nprivate static java.util.List<android.service.voice.HotwordAudioStream> defaultAudioStreams()\nprivate static android.os.PersistableBundle defaultExtras()\npublic static int getMaxBundleSize()\npublic @android.annotation.Nullable android.media.MediaSyncEvent getMediaSyncEvent()\nprivate static int defaultBackgroundAudioPower()\npublic static int getMaxBackgroundAudioPower()\npublic static int getParcelableSize(android.os.Parcelable)\npublic static int getUsageSize(android.service.voice.HotwordDetectedResult)\nprivate static int bitCount(long)\nprivate void onConstructed()\npublic @android.annotation.NonNull java.util.List<android.service.voice.HotwordAudioStream> getAudioStreams()\npublic void setProximity(double)\npublic @android.service.voice.HotwordDetectedResult.ProximityValue int getProximity()\nprivate @android.service.voice.HotwordDetectedResult.ProximityValue int convertToProximityLevel(double)\npublic android.service.voice.HotwordDetectedResult.Builder buildUpon()\nclass HotwordDetectedResult extends java.lang.Object implements [android.os.Parcelable]\npublic @android.annotation.NonNull android.service.voice.HotwordDetectedResult.Builder setAudioStreams(java.util.List<android.service.voice.HotwordAudioStream>)\nclass BaseBuilder extends java.lang.Object implements []\n@com.android.internal.util.DataClass(genConstructor=false, genBuilder=true, genEqualsHashCode=true, genHiddenConstDefs=true, genParcelable=true, genToString=true)\npublic @android.annotation.NonNull android.service.voice.HotwordDetectedResult.Builder setAudioStreams(java.util.List<android.service.voice.HotwordAudioStream>)\nclass BaseBuilder extends java.lang.Object implements []")
@Deprecated
private void __metadata() {}
//@formatter:on
// End of generated code
}